content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------
   * WeekTests.java
   * --------------
   * (C) Copyright 2002-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 05-Apr-2002 : Version 1 (DG);
   * 26-Jun-2002 : Removed unnecessary imports (DG);
   * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 13-Mar-2003 : Added serialization test (DG);
   * 21-Oct-2003 : Added hashCode test (DG);
   * 06-Apr-2006 : Added testBug1448828() method (DG);
   * 01-Jun-2006 : Added testBug1498805() method (DG);
   * 11-Jul-2007 : Fixed bad time zone assumption (DG);
   * 28-Aug-2007 : Added test for constructor problem (DG);
   * 19-Dec-2007 : Set default locale for tests that are sensitive
   *               to the locale (DG);
   *
   */
  
  package org.jfree.data.time;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for the {@link Week} class.
   */
  public class WeekTest  {
  
      /** A week. */
      private Week w1Y1900;
  
      /** A week. */
      private Week w2Y1900;
  
      /** A week. */
      private Week w51Y9999;
  
      /** A week. */
      private Week w52Y9999;
  
  
  
  
  
      /**
       * Common test setup.
       */
      @Before
      public void setUp() {
          this.w1Y1900 = new Week(1, 1900);
          this.w2Y1900 = new Week(2, 1900);
          this.w51Y9999 = new Week(51, 9999);
          this.w52Y9999 = new Week(52, 9999);
      }
  
      /**
       * Tests the equals method.
       */
      @Test
      public void testEquals() {
          Week w1 = new Week(1, 2002);
          Week w2 = new Week(1, 2002);
          assertEquals(w1, w2);
          assertEquals(w2, w1);
  
          w1 = new Week(2, 2002);
          assertFalse(w1.equals(w2));
          w2 = new Week(2, 2002);
          assertEquals(w1, w2);
  
          w1 = new Week(2, 2003);
          assertFalse(w1.equals(w2));
          w2 = new Week(2, 2003);
          assertEquals(w1, w2);
      }
  
      /**
       * Request the week before week 1, 1900: it should be <code>null</code>.
       */
      @Test
      public void testW1Y1900Previous() {
          Week previous = (Week) this.w1Y1900.previous();
          assertNull(previous);
      }
  
      /**
       * Request the week after week 1, 1900: it should be week 2, 1900.
       */
      @Test
      public void testW1Y1900Next() {
          Week next = (Week) this.w1Y1900.next();
          assertEquals(this.w2Y1900, next);
      }
  
      /**
       * Request the week before w52, 9999: it should be week 51, 9999.
       */
      @Test
      public void testW52Y9999Previous() {
          Week previous = (Week) this.w52Y9999.previous();
          assertEquals(this.w51Y9999, previous);
      }
  
      /**
       * Request the week after w52, 9999: it should be <code>null</code>.
       */
      @Test
      public void testW52Y9999Next() {
          Week next = (Week) this.w52Y9999.next();
          assertNull(next);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          Week w1 = new Week(24, 1999);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(w1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          Week w2 = (Week) in.readObject();
              in.close();
  
          assertEquals(w1, w2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          Week w1 = new Week(2, 2003);
          Week w2 = new Week(2, 2003);
          assertEquals(w1, w2);
          int h1 = w1.hashCode();
          int h2 = w2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * The {@link Week} class is immutable, so should not be {@link Cloneable}.
       */
      @Test
      public void testNotCloneable() {
          Week w = new Week(1, 1999);
          assertFalse(w instanceof Cloneable);
      }
  
      /**
       * The first week in 2005 should span the range:
       *
       * TimeZone         | Start Millis  | End Millis    | Start Date  | End Date
       * -----------------+---------------+---------------+-------------+------------
       * Europe/London    | 1104710400000 | 1105315199999 |  3-Jan-2005 | 9-Jan-2005
       * Europe/Paris     | 1104706800000 | 1105311599999 |  3-Jan-2005 | 2-Jan-2005
       * America/New_York | 1104037200000 | 1104641999999 | 26-Dec-2004 | 1-Jan-2005
       *
       * In London and Paris, Monday is the first day of the week, while in the
       * US it is Sunday.
       *
       * Previously, we were using these values, but see Java Bug ID 4960215:
       *
       * TimeZone         | Start Millis  | End Millis    | Start Date  | End Date
       * -----------------+---------------+---------------+-------------+------------
       * Europe/London    | 1104105600000 | 1104710399999 | 27-Dec-2004 | 2-Jan-2005
       * Europe/Paris     | 1104102000000 | 1104706799999 | 27-Dec-2004 | 2-Jan-2005
       * America/New_York | 1104037200000 | 1104641999999 | 26-Dec-2004 | 1-Jan-2005
       */
      @Test
      public void testWeek12005() {
          Week w1 = new Week(1, 2005);
          Calendar c1 = Calendar.getInstance(
                  TimeZone.getTimeZone("Europe/London"), Locale.UK);
          c1.setMinimalDaysInFirstWeek(4);  // see Java Bug ID 4960215
          assertEquals(1104710400000L, w1.getFirstMillisecond(c1));
          assertEquals(1105315199999L, w1.getLastMillisecond(c1));
          Calendar c2 = Calendar.getInstance(
                  TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE);
          c2.setMinimalDaysInFirstWeek(4);  // see Java Bug ID 4960215
          assertEquals(1104706800000L, w1.getFirstMillisecond(c2));
          assertEquals(1105311599999L, w1.getLastMillisecond(c2));
          Calendar c3 = Calendar.getInstance(
                  TimeZone.getTimeZone("America/New_York"), Locale.US);
          assertEquals(1104037200000L, w1.getFirstMillisecond(c3));
          assertEquals(1104641999999L, w1.getLastMillisecond(c3));
      }
  
      /**
       * The 53rd week in 2004 in London and Paris should span the range:
       *
       * TimeZone         | Start Millis  | End Millis    | Start Date  | End Date
       * -----------------+---------------+---------------+-------------+------------
       * Europe/London    | 1104105600000 | 1104710399999 | 27-Dec-2004 | 02-Jan-2005
       * Europe/Paris     | 1104102000000 | 1104706799999 | 27-Dec-2004 | 02-Jan-2005
       *
       * The 53rd week in 2005 in New York should span the range:
       *
       * TimeZone         | Start Millis  | End Millis    | Start Date  | End Date
       * -----------------+---------------+---------------+-------------+------------
       * America/New_York | 1135486800000 | 1136091599999 | 25-Dec-2005 | 31-Dec-2005
       *
       * In London and Paris, Monday is the first day of the week, while in the
       * US it is Sunday.
       */
      @Test
      public void testWeek532005() {
          Week w1 = new Week(53, 2004);
          Calendar c1 = Calendar.getInstance(
                  TimeZone.getTimeZone("Europe/London"), Locale.UK);
          c1.setMinimalDaysInFirstWeek(4);  // see Java Bug ID 4960215
          assertEquals(1104105600000L, w1.getFirstMillisecond(c1));
          assertEquals(1104710399999L, w1.getLastMillisecond(c1));
          Calendar c2 = Calendar.getInstance(
                  TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE);
          c2.setMinimalDaysInFirstWeek(4);  // see Java Bug ID 4960215
          assertEquals(1104102000000L, w1.getFirstMillisecond(c2));
          assertEquals(1104706799999L, w1.getLastMillisecond(c2));
          w1 = new Week(53, 2005);
          Calendar c3 = Calendar.getInstance(
                  TimeZone.getTimeZone("America/New_York"), Locale.US);
          assertEquals(1135486800000L, w1.getFirstMillisecond(c3));
          assertEquals(1136091599999L, w1.getLastMillisecond(c3));
      }
  
      /**
       * A test case for bug 1448828.
       */
      @Test
      public void testBug1448828() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          try {
              Week w = new Week(new Date(1136109830000l),
                      TimeZone.getTimeZone("GMT"), Locale.UK);
              assertEquals(2005, w.getYearValue());
              assertEquals(52, w.getWeek());
          }
          finally {
              Locale.setDefault(saved);
          }
      }
  
      /**
       * A test case for bug 1498805.
       */
      @Test
      public void testBug1498805() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          try {
              TimeZone zone = TimeZone.getTimeZone("GMT");
              GregorianCalendar gc = new GregorianCalendar(zone);
              gc.set(2005, Calendar.JANUARY, 1, 12, 0, 0);
              Week w = new Week(gc.getTime(), zone, Locale.UK);
              assertEquals(53, w.getWeek());
              assertEquals(new Year(2004), w.getYear());
          }
          finally {
              Locale.setDefault(saved);
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond() method.
       */
      @Test
      public void testGetFirstMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Week w = new Week(3, 1970);
          assertEquals(946800000L, w.getFirstMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithTimeZone() {
          Week w = new Week(47, 1950);
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.US);
          try {
              TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
              Calendar c = new GregorianCalendar(zone);
              assertEquals(-603302400000L, w.getFirstMillisecond(c));
          }
          finally {
              Locale.setDefault(saved);
          }
  
          // try null calendar
          try {
              w.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //should go in here
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithCalendar() {
          Week w = new Week(1, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(978307200000L, w.getFirstMillisecond(calendar));
  
          // try null calendar
          try {
              w.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we should go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond() method.
       */
      @Test
      public void testGetLastMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Week w = new Week(31, 1970);
          assertEquals(18485999999L, w.getLastMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithTimeZone() {
          Week w = new Week(2, 1950);
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.US);
          try {
              TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
              Calendar c = new GregorianCalendar(zone);
              assertEquals(-629913600001L, w.getLastMillisecond(c));
          }
          finally {
              Locale.setDefault(saved);
          }
  
          // try null zone
          try {
              w.getLastMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we should go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithCalendar() {
          Week w = new Week(52, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(1009756799999L, w.getLastMillisecond(calendar));
  
          // try null calendar
          try {
              w.getLastMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we should go in here
          }
      }
  
      /**
       * Some checks for the getSerialIndex() method.
       */
      @Test
      public void testGetSerialIndex() {
          Week w = new Week(1, 2000);
          assertEquals(106001L, w.getSerialIndex());
          w = new Week(1, 1900);
          assertEquals(100701L, w.getSerialIndex());
      }
  
      /**
       * Some checks for the testNext() method.
       */
      @Test
      public void testNext() {
          Week w = new Week(12, 2000);
          w = (Week) w.next();
          assertEquals(new Year(2000), w.getYear());
          assertEquals(13, w.getWeek());
          w = new Week(53, 9999);
          assertNull(w.next());
      }
  
      /**
       * Some checks for the getStart() method.
       */
      @Test
      public void testGetStart() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JANUARY, 16, 0, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Week w = new Week(3, 2006);
          assertEquals(cal.getTime(), w.getStart());
          Locale.setDefault(saved);
      }
  
      /**
       * Some checks for the getEnd() method.
       */
      @Test
      public void testGetEnd() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JANUARY, 8, 23, 59, 59);
          cal.set(Calendar.MILLISECOND, 999);
          Week w = new Week(1, 2006);
          assertEquals(cal.getTime(), w.getEnd());
          Locale.setDefault(saved);
      }
  
      /**
       * A test for a problem in constructing a new Week instance.
       */
      @Test
      public void testConstructor() {
          Locale savedLocale = Locale.getDefault();
          TimeZone savedZone = TimeZone.getDefault();
          Locale.setDefault(new Locale("da", "DK"));
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/Copenhagen"));
          GregorianCalendar cal = (GregorianCalendar) Calendar.getInstance(
                  TimeZone.getDefault(), Locale.getDefault());
  
          // first day of week is monday
          assertEquals(Calendar.MONDAY, cal.getFirstDayOfWeek());
          cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Date t = cal.getTime();
          Week w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"), Locale.getDefault());
          assertEquals(34, w.getWeek());
  
          Locale.setDefault(Locale.US);
          TimeZone.setDefault(TimeZone.getTimeZone("US/Detroit"));
          cal = (GregorianCalendar) Calendar.getInstance(TimeZone.getDefault());
          // first day of week is Sunday
          assertEquals(Calendar.SUNDAY, cal.getFirstDayOfWeek());
          cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
  
          t = cal.getTime();
          w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"), Locale.getDefault());
          assertEquals(35, w.getWeek());
          w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"),
                  new Locale("da", "DK"));
          assertEquals(34, w.getWeek());
  
          Locale.setDefault(savedLocale);
          TimeZone.setDefault(savedZone);
      }
  
  }
  